/**
* Copyright (C) 2008 Happy Fish / YuQing
*
* FastDFS Java Client may be copied only under the terms of the GNU Lesser
* General Public License (LGPL).
* Please visit the FastDFS Home Page http://www.csource.org/ for more detail.
*/

package org.csource.fastdfs;

/**
* Download file callback interface
* @author Happy Fish / YuQing
* @version Version 1.4
*/
public interface DownloadCallback
{
	/**
	* recv file content callback function, may be called more than once when the file downloaded
	* @param file_size file size
	*	@param data data buff
	* @param bytes data bytes
	* @return 0 success, return none zero(errno) if fail
	*/
	public int recv(long file_size, byte[] data, int bytes);
}
